diff --git a/get_started.md b/get_started.md
index c28c999..574626b 100644
--- a/get_started.md
+++ b/get_started.md
@@ -8,47 +8,49 @@ First, create a `main.go` with
 package main
 
 import (
-  "fmt"
-  "net/http"
-  "github.com/qor/qor"
-  "github.com/qor/admin"
-  "github.com/jinzhu/gorm"
-  _ "github.com/jinzhu/gorm/dialects/sqlite"
+	"fmt"
+	"github.com/jinzhu/gorm"
+	_ "github.com/jinzhu/gorm/dialects/sqlite"
+	"github.com/qor/admin"
+	"net/http"
 )
 
 // Define a GORM-backend model
 type User struct {
-  gorm.Model
-  Name string
+	gorm.Model
+	Name string
 }
 
 // Define another GORM-backend model
 type Product struct {
-  gorm.Model
-  Name        string
-  Description string
+	gorm.Model
+	Name        string
+	Description string
 }
 
 func main() {
-  // Set up the database
-  DB, _ := gorm.Open("sqlite3", "demo.db")
-  DB.AutoMigrate(&User{}, &Product{})
+	// Set up the database
+	DB, _ := gorm.Open("sqlite3", "demo.db")
+	DB.AutoMigrate(&User{}, &Product{})
 
-  // Initalize
-  Admin := admin.New(&admin.AdminConfig{DB: DB})
+	// Initialize
+	Admin := admin.New(&admin.AdminConfig{DB: DB})
 
-  // Create resources from GORM-backend model
-  Admin.AddResource(&User{})
-  Admin.AddResource(&Product{})
+	// Create resources from GORM-backend model
+	Admin.AddResource(&User{})
+	Admin.AddResource(&Product{})
 
-  // Initalize an HTTP request multiplexer
-  mux := http.NewServeMux()
+	// Initialize an HTTP request multiplexer
+	mux := http.NewServeMux()
 
-  // Mount admin to the mux
-  Admin.MountTo("/admin", mux)
+	// Mount admin to the mux
+	Admin.MountTo("/admin", mux)
 
-  fmt.Println("Listening on: 9000")
-  http.ListenAndServe(":9000", mux)
+	fmt.Println("Listening on: 9000")
+	err := http.ListenAndServe(":9000", mux)
+	if err != nil {
+		panic("Error start serve")
+	}
 }
 ```